Fig. 8: Electrochemical study of the symmetrical supercapacitors.
From: Functional porous carbons derived from alkali metal-based coordination polymers for energy storage
a Csp of the prepared supercapacitors (lines for the visual aid), b Electrochemical kinetics of the supercapacitor fabricated using material 3C, c Cycle life measurements of the developed supercapacitors at the current density of 2.0 A g−1 (closed symbols denote capacitance retention, open symbols denote coulombic efficiency).
